************************ crashinfo ************************* /exports/testreports/50430/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg257-client-vmcore (3.10.0-7.9-debug) +==========================+ | *** Crashinfo v1.3.7 *** | +==========================+ +++WARNING+++ PARTIAL DUMP with size(vmcore) < 25% size(RAM) KERNEL: /tmp/crash-anaysis.k9yeQ/vmlinux [TAINTED] DUMPFILE: /exports/testreports/50430/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64/oleg257-client-vmcore [PARTIAL DUMP] CPUS: 4 DATE: Tue Apr 1 13:19:13 EDT 2025 UPTIME: 00:05:47 LOAD AVERAGE: 0.96, 0.57, 0.24 TASKS: 158 NODENAME: oleg257-client.virtnet RELEASE: 3.10.0-7.9-debug VERSION: #1 SMP Sat Mar 26 23:28:42 EDT 2022 MACHINE: x86_64 (2399 Mhz) MEMORY: 4 GB PANIC: "BUG: unable to handle kernel NULL pointer dereference at 000000000000012e" +--------------------------+ >------------------------| Per-cpu Stacks ('bt -a') |------------------------< +--------------------------+ -- CPU#0 -- PID=0 CPU=0 CMD=swapper/0 #0 crash_nmi_callback+0x31 #1 nmi_handle+0x97 #2 do_nmi+0x12c #3 end_repeat_nmi+0x1e #-1 native_safe_halt+0xb, 507 bytes of data #4 native_safe_halt+0xb #5 default_idle+0x1e #6 default_enter_idle+0x45 #7 cpuidle_enter_state+0x40 #8 cpuidle_idle_call+0xd8 #9 arch_cpu_idle+0xe #10 cpu_startup_entry+0x14a #11 rest_init+0x8e #12 start_kernel+0x456 #13 x86_64_start_reservations+0x2a #14 x86_64_start_kernel+0x152 #15 start_cpu+0x5 -- CPU#1 -- PID=0 CPU=1 CMD=swapper/1 #0 crash_nmi_callback+0x31 #1 nmi_handle+0x97 #2 do_nmi+0x12c #3 end_repeat_nmi+0x1e #-1 native_safe_halt+0xb, 507 bytes of data #4 native_safe_halt+0xb #5 default_idle+0x1e #6 default_enter_idle+0x45 #7 cpuidle_enter_state+0x40 #8 cpuidle_idle_call+0xd8 #9 arch_cpu_idle+0xe #10 cpu_startup_entry+0x14a #11 start_secondary+0x1eb #12 start_cpu+0x5 -- CPU#2 -- PID=28531 CPU=2 CMD=fsx #0 machine_kexec+0x19e #1 __crash_kexec+0x72 #2 crash_kexec+0x30 #3 oops_end+0xa8 #4 no_context+0x144 #5 __bad_area_nosemaphore+0x112 #6 bad_area+0x49 #7 __do_page_fault+0x494 #8 trace_do_page_fault+0x56 #9 do_async_page_fault+0x22 #10 async_page_fault+0x28 #-1 osc_io_submit+0x142, 477 bytes of data #11 cl_io_submit_rw+0x72 #12 lov_io_submit+0x1b4 #13 cl_io_submit_rw+0x72 #14 ll_direct_IO_impl+0x530 #15 ll_direct_IO+0x7c #16 generic_file_aio_read+0x24e #17 vvp_io_read_start+0x779 #18 cl_io_start+0x6d #19 cl_io_loop+0x9f #20 ll_file_io_generic+0x36b #21 do_file_read_iter+0xc46 #22 ll_file_read_iter+0x2d #23 ll_file_aio_read+0x1b1 #24 ll_file_read+0x111 #25 vfs_read+0xb9 #26 sys_read+0x7f #27 system_call_fastpath+0x1f, 477 bytes of data -- CPU#3 -- PID=0 CPU=3 CMD=swapper/3 #0 crash_nmi_callback+0x31 #1 nmi_handle+0x97 #2 do_nmi+0x12c #3 end_repeat_nmi+0x1e #-1 native_safe_halt+0xb, 507 bytes of data #4 native_safe_halt+0xb #5 default_idle+0x1e #6 default_enter_idle+0x45 #7 cpuidle_enter_state+0x40 #8 cpuidle_idle_call+0xd8 #9 arch_cpu_idle+0xe #10 cpu_startup_entry+0x14a #11 start_secondary+0x1eb #12 start_cpu+0x5 +--------------------------------+ >---------------------| How This Dump Has Been Created |---------------------< +--------------------------------+ *** Dump was triggered by kernel *** BUG: 73 of 73 active objects replaced +---------------+ >------------------------------| Tasks Summary |------------------------------< +---------------+ Number of Threads That Ran Recently ----------------------------------- last second 35 last 5s 44 last 60s 76 ----- Total Numbers of Threads per State ------ TASK_INTERRUPTIBLE 153 TASK_RUNNING 2 +++WARNING+++ There are 3 threads running in their own namespaces Use 'taskinfo --ns' to get more details +-----------------------+ >--------------------------| 5 Most Recent Threads |--------------------------< +-----------------------+ PID CMD Age ARGS ----- -------------- ------ ---------------------------- 28531 fsx 0 ms (no user stack) 9 rcu_sched 0 ms (no user stack) 11 rcuos/0 0 ms (no user stack) 5398 ldlm_cb01_000 0 ms (no user stack) 2012 ptlrpcd_01_00 1 ms (no user stack) +------------------------+ >-------------------------| Memory Usage (kmem -i) |-------------------------< +------------------------+ PAGES TOTAL PERCENTAGE TOTAL MEM 955079 3.6 GB ---- FREE 850125 3.2 GB 89% of TOTAL MEM USED 104954 410 MB 10% of TOTAL MEM SHARED 10244 40 MB 1% of TOTAL MEM BUFFERS 5289 20.7 MB 0% of TOTAL MEM CACHED 47004 183.6 MB 4% of TOTAL MEM SLAB 11490 44.9 MB 1% of TOTAL MEM TOTAL HUGE 0 0 ---- HUGE FREE 0 0 0% of TOTAL HUGE TOTAL SWAP 262143 1024 MB ---- SWAP USED 0 0 0% of TOTAL SWAP SWAP FREE 262143 1024 MB 100% of TOTAL SWAP COMMIT LIMIT 739682 2.8 GB ---- COMMITTED 67992 265.6 MB 9% of TOTAL LIMIT +-------------------------------+ >----------------------| Scheduler Runqueues (per CPU) |----------------------< +-------------------------------+ ---+ CPU=0 ---- | CURRENT TASK , CMD=swapper/0 ---+ CPU=1 ---- | CURRENT TASK , CMD=swapper/1 ---+ CPU=2 ---- | CURRENT TASK , CMD=fsx ---+ CPU=3 ---- | CURRENT TASK , CMD=swapper/3 +------------------------+ >-------------------------| Network Status Summary |-------------------------< +------------------------+ TCP Connection Info ------------------- ESTABLISHED 6 TIME_WAIT 84 LISTEN 3 NAGLE disabled (TCP_NODELAY): 5 user_data set (NFS etc.): 4 UDP Connection Info ------------------- 2 UDP sockets, 0 in ESTABLISHED Unix Connection Info ------------------------ ESTABLISHED 26 CLOSE 18 LISTEN 8 Raw sockets info -------------------- CLOSE 1 Interfaces Info --------------- How long ago (in seconds) interfaces transmitted/received? Name RX TX ---- ---------- --------- lo n/a 345.3 eth0 n/a 0.0 RSS_TOTAL=95924 pages, %mem= 1.7 +------------+ >-------------------------------| Mounted FS |-------------------------------< +------------+ MOUNT SUPERBLK TYPE DEVNAME DIRNAME ffff880138cca000 ffff880139940800 rootfs rootfs / ffff88012b25a380 ffff88012aa98000 sysfs sysfs /sys ffff88012b25a540 ffff880139944000 proc proc /proc ffff88012b25a700 ffff880137678000 devtmpfs devtmpfs /dev ffff88012b25a8c0 ffff8800b6ce7800 securityfs securityfs /sys/kernel/security ffff88012b25aa80 ffff88012aa98800 tmpfs tmpfs /dev/shm ffff88012b25ac40 ffff880136aa9000 devpts devpts /dev/pts ffff88012b25ae00 ffff88012aa99000 tmpfs tmpfs /run ffff88012b25afc0 ffff88012aa99800 tmpfs tmpfs /sys/fs/cgroup ffff88012b25b180 ffff88012aa9a000 cgroup cgroup /sys/fs/cgroup/systemd ffff88012b25b340 ffff88012aa9a800 pstore pstore /sys/fs/pstore ffff88012b25b500 ffff88012aa9c800 cgroup cgroup /sys/fs/cgroup/devices ffff88012b25b6c0 ffff88012aa9c000 cgroup cgroup /sys/fs/cgroup/freezer ffff88012b25b880 ffff88012aa9b800 cgroup cgroup /sys/fs/cgroup/memory ffff88012b25ba40 ffff88012aa9b000 cgroup cgroup /sys/fs/cgroup/perf_event ffff88012b25bc00 ffff88012aa9d000 cgroup cgroup /sys/fs/cgroup/cpuset ffff88012b25bdc0 ffff88012aa9d800 cgroup cgroup /sys/fs/cgroup/cpu,cpuacct ffff88012aac2000 ffff88012aa9e000 cgroup cgroup /sys/fs/cgroup/hugetlb ffff88012aac21c0 ffff88012aa9e800 cgroup cgroup /sys/fs/cgroup/net_cls,net_prio ffff88012aac2380 ffff88012aa9f000 cgroup cgroup /sys/fs/cgroup/pids ffff88012aac2540 ffff88012aa9f800 cgroup cgroup /sys/fs/cgroup/blkio ffff880137668540 ffff8800b6cd6800 configfs configfs /sys/kernel/config ffff880137096c40 ffff88012aa94800 ext4 /dev/nbd0 / ffff88012aac36c0 ffff88013771e800 rpc_pipefs rpc_pipefs /var/lib/nfs/rpc_pipefs ffff880137096e00 ffff8800b647c800 autofs systemd-1 /proc/sys/fs/binfmt_misc ffff88012aac3dc0 ffff8801372fd800 mqueue mqueue /dev/mqueue ffff8801376688c0 ffff880139947800 debugfs debugfs /sys/kernel/debug ffff880137096fc0 ffff8800b647f000 hugetlbfs hugetlbfs /dev/hugepages ffff88012aac3c00 ffff8800b5cf7800 binfmt_misc binfmt_misc /proc/sys/fs/binfmt_misc/ ffff880137097180 ffff8800b6fc9800 ramfs none /mnt ffff88012aac3a40 ffff8800b5cf6800 tmpfs none /var/lib/stateless/writable ffff880138ccb180 ffff8800b647e800 squashfs /dev/vda /home/green/git/lustre-release ffff88012a4a4000 ffff8800b5cf6800 tmpfs none /var/cache/man ffff880137097340 ffff8800b5cf6800 tmpfs none /var/log ffff880137097500 ffff8800b5cf6800 tmpfs none /var/lib/dbus ffff880137668a80 ffff8800b5cf6800 tmpfs none /tmp ffff8801370976c0 ffff8800b5cf6800 tmpfs none /var/lib/dhclient ffff880138ccb340 ffff8800b5cf6800 tmpfs none /var/tmp ffff880137097880 ffff8800b5cf6800 tmpfs none /var/lib/NetworkManager ffff88012a4a41c0 ffff8800b5cf6800 tmpfs none /var/lib/systemd/random-seed ffff88012a4a4380 ffff8800b5cf6800 tmpfs none /var/spool ffff880137097a40 ffff8800b5cf6800 tmpfs none /var/lib/nfs ffff880137097c00 ffff8800b5cf6800 tmpfs none /var/lib/gssproxy ffff880137097dc0 ffff8800b5cf6800 tmpfs none /var/lib/logrotate ffff880137668c40 ffff8800b5cf6800 tmpfs none /etc ffff880137668e00 ffff8800b5cf6800 tmpfs none /var/lib/rsyslog ffff88012a4a4540 ffff8800b5cf6800 tmpfs none /var/lib/dhclient/var/lib/dhclient ffff880136bd6000 ffff88012aa92000 nfs4 192.168.200.253:/exports/state/oleg257-client.virtnet /var/lib/stateless/state ffff88012a4a4700 ffff88012aa92000 nfs4 192.168.200.253:/exports/state/oleg257-client.virtnet /boot ffff88012a4a48c0 ffff88012aa92000 nfs4 192.168.200.253:/exports/state/oleg257-client.virtnet /etc/etc/kdump.conf ffff880137668fc0 ffff88013771e800 rpc_pipefs sunrpc /var/lib/nfs/var/lib/nfs/rpc_pipefs ffff8800b3674fc0 ffff88012aa90800 nfs4 192.168.200.253://exports/testreports/50430/testresults/sanityn-ldiskfs-DNE-centos7_x86_64-centos7_x86_64 /tmp/tmp/testlogs ffff880136bd6a80 ffff8800b5d22000 tmpfs tmpfs /run/user/0 ffff88012a612fc0 ffff8800b647e800 squashfs /dev/vda /usr/sbin/mount.lustre ffff8800b34e8c40 ffff8800b369d800 lustre 192.168.202.157@tcp:/lustre /mnt/lustre ffff8800b34e9180 ffff8800a9495000 lustre 192.168.202.157@tcp:/lustre /mnt/lustre2 +-------------------------------+ >----------------------| Last 40 lines of dmesg buffer |----------------------< +-------------------------------+ [ 348.484878] CPU: 2 PID: 28531 Comm: fsx Kdump: loaded Tainted: G OE ------------ 3.10.0-7.9-debug #1 [ 348.488651] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-1.fc38 04/01/2014 [ 348.491096] task: ffff880136ba6660 ti: ffff88012fcec000 task.ti: ffff88012fcec000 [ 348.493253] RIP: 0010:[] [] osc_io_submit+0x142/0x720 [osc] [ 348.495731] RSP: 0018:ffff88012fcef6d0 EFLAGS: 00010246 [ 348.497830] RAX: 0000000000000000 RBX: 0000000000000281 RCX: ffff8800a88394d0 [ 348.500493] RDX: 0000000000020281 RSI: ffff8800a99fda20 RDI: ffffea00029dad80 [ 348.502983] RBP: ffff88012fcef770 R08: ffff8800a8ab1af8 R09: ffff880136bd5678 [ 348.505331] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800a8ab1af8 [ 348.507241] R13: ffff8800a8c3cb60 R14: ffff8800a8bcbcd0 R15: 0000000000000000 [ 348.510029] FS: 00007f72420ac740(0000) GS:ffff88013e300000(0000) knlGS:0000000000000000 [ 348.512925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 348.515062] CR2: 000000000000012e CR3: 000000013691e000 CR4: 0000000000160fe0 [ 348.517033] Call Trace: [ 348.518051] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 348.519720] [] lov_io_submit+0x1b4/0x3a0 [lov] [ 348.521323] [] cl_io_submit_rw+0x72/0x190 [obdclass] [ 348.523414] [] ll_direct_IO_impl+0x530/0xef0 [lustre] [ 348.526071] [] ll_direct_IO+0x7c/0xa0 [lustre] [ 348.528167] [] generic_file_aio_read+0x24e/0x290 [ 348.529842] [] vvp_io_read_start+0x779/0xa60 [lustre] [ 348.532046] [] ? cl_lock_request+0x67/0x210 [obdclass] [ 348.534358] [] cl_io_start+0x6d/0x150 [obdclass] [ 348.536349] [] cl_io_loop+0x9f/0x230 [obdclass] [ 348.538304] [] ll_file_io_generic+0x36b/0x1000 [lustre] [ 348.540660] [] ? lprocfs_counter_add+0xe9/0x180 [obdclass] [ 348.543021] [] do_file_read_iter+0xc46/0x1080 [lustre] [ 348.545128] [] ? do_raw_spin_unlock+0x49/0x90 [ 348.546744] [] ? _raw_spin_unlock+0xe/0x20 [ 348.548664] [] ? cfs_trace_unlock_tcd+0x27/0x70 [libcfs] [ 348.550949] [] ll_file_read_iter+0x2d/0x40 [lustre] [ 348.553142] [] ll_file_aio_read+0x1b1/0x210 [lustre] [ 348.555199] [] ll_file_read+0x111/0x1e0 [lustre] [ 348.556954] [] vfs_read+0xb9/0x1c0 [ 348.558692] [] SyS_read+0x7f/0xf0 [ 348.560673] [] system_call_fastpath+0x1f/0x24 [ 348.562535] Code: da 80 ca 80 41 0f b6 46 12 49 8b 7e f0 83 e0 c0 3c 80 0f 44 da e8 6f 88 e6 ff 89 da 81 ca 00 00 02 00 84 c0 49 8b 46 18 0f 45 da 80 2e 01 00 00 02 0f 85 e1 01 00 00 49 8b 44 24 08 49 8d 4c [ 348.571156] RIP [] osc_io_submit+0x142/0x720 [osc] [ 348.573489] RSP [ 348.574798] CR2: 000000000000012e ****************************************************************************** ************************ A Summary Of Problems Found ************************* ****************************************************************************** -------------------- A list of all +++WARNING+++ messages -------------------- PARTIAL DUMP with size(vmcore) < 25% size(RAM) There are 3 threads running in their own namespaces Use 'taskinfo --ns' to get more details ------------------------------------------------------------------------------ ** Execution took 11.45s (real) 5.90s (CPU), Child processes: 5.47s